HarmonyOS | curated list of awesome things | Runtime Evironment library
kandi X-RAY | HarmonyOS Summary
kandi X-RAY | HarmonyOS Summary
HarmonyOS is the first full-scene distributed OS based on microkernel. It is an operating system independently developed by Huawei. HarmonyOS System was officially released at the Huawei Developers Conference () on August 9, 2019. Huawei will take the lead in deploying intelligent terminals such as smart screens, vehicle terminals and wearable terminals. In the future, more smart devices will be equipped with open source HarmonyOS than ever. HarmonyOS achieves modular coupling, which corresponds to flexible deployment of different devices. HarmonyOS has three layers of architecture. The first layer is the core, the second layer is the basic services, and the third layer is the program framework. It can be used on a large screen, PC, automobile and other different equipment. It can also be used on mobile phones at any time, but for the time being, Huawei still prefers Android. The underlying layer of HarmonyOS is composed of HarmonyOS microkernel, Linux kernel and Lite OS and it will become a complete HarmonyOS microkernel architecture in the future.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of HarmonyOS
HarmonyOS Key Features
HarmonyOS Examples and Code Snippets
Community Discussions
Trending Discussions on HarmonyOS
QUESTION
I'm new to Huawei Account Kit Integration, not able to enable account kit from manage API in AGC Console.
I'm Following below link for integration-
can any one help me Why?
...ANSWER
Answered 2022-Feb-14 at 11:45The account kit API is enabled by default for Harmony OS applications, so you can continue to run and debug with account kit integration. Please check below pointe:
Update HMS core to latest version
Check OAuth client ID in config.json.
Refer the below link 6th step to configure client id. https://developer.huawei.com/consumer/en/doc/development/HMSCore-Guides/harmonyos-java-integration-hms-core-sdk-0000001148191776#section12164516163
@kgsharathkumar - For me, faced the same issue and got a solution.
QUESTION
I am a fresher who only knows only java. can I work on HarmonyOS lib development or else I should know the android development to work on HarmonyOS. Can anyone explain it, please? Where I can learn?
...ANSWER
Answered 2021-Nov-26 at 00:53Maybe you could learn from the official docs:
HarmonyOS provides multi-programming-language APIs for you to develop applications. You can choose from Java, Extensible Markup Language (XML), C/C++, JavaScript (JS), Cascading Style Sheets (CSS), and HarmonyOS Markup Language (HML).
The following shows the technical architecture of HarmonyOS.
Setting Up a Windows Development Environment
Here are some codelabs and samples, which may help you better understand the development for key features and scenarios.
QUESTION
We have a react-native application running in production with firebase phone auth. Lately, we received feedback from users owning new Huawei devices not being able to authenticate with their phone numbers using firebase.
Since a lot of users started having this issue, we decided to implement Huawei auth services only for devices under HarmonyOS and keep the regular firebase phone authentication for other users.
After integrating the Huawei App Gallery Connect Auth SDK in our react-native app, we are able to receive the OTP and sign the user in using credentialWithVerifyCode and we are also able to retrieve the user's token using
ANSWER
Answered 2021-Nov-09 at 03:04You are advised to use the following method to validate the token.
QUESTION
I am a fresher who works on HarmonyOS where we have to map android imports to respected to HarmonyOs using an excel sheet, which consists of alternative imports but some are missing in that Excel. where can I find all the alternative methods?
...ANSWER
Answered 2021-Oct-26 at 21:45You can refer this example for Java Harmony OS APIs for Android developers.
For some classes direct one to one mapping might not be available for now.
In HarmonyOS developer doc there is Reference Document Outline for Java APIs, Native APIs. Please check https://developer.harmonyos.com/en/docs/documentation/doc-references/reference-document-outline-0000001115016824
QUESTION
I am creating a custom component in HarmonyOS using Java SDK, Where I have to perform some task on double-tap. But I am not able to detect double-tap event.
In Android, with the help of GestureDetector class we can detect double-tap event as follow:
...ANSWER
Answered 2021-Sep-07 at 10:33try registering Component.DoubleClickedListener and you will be able to detect Double Tap in Custom Component, sample Usage
QUESTION
I am creating a custom component in HarmonyOS using Java SDK, Where I have to perform some task after some delay with Component instance.
In Android, we have postDelayed(Runnable action, long delayMillis) method in View class. So we can achieve above requirement as follow
ANSWER
Answered 2021-Sep-06 at 06:17currently HarmonyOS doesn't provide exact alternative for View.postDelayed(..) , Instead you can achieve similar UI post functionality using ohos.eventhandler.EventHandler API, Sample Usage is as follows
QUESTION
I am writing a custom component in HarmonyOS using Java SDK.
In order to negotiate the width and height of the custom view in Android, we override onMeasure().
ANSWER
Answered 2021-Jul-30 at 06:39In Android - onMeasure() is a protected method available in View class so one can directly override it in custom component by extending the View class.
For alternative in HarmonyOS - you will have to implement Component.EstimateSizeListener in your custom component and then write down the implementation in overriden function onEstimateSize.
So in Android, when you have some code like this -
QUESTION
I am writing a helper class to zoom an image in HarmonyOS using Java SDK. To get the current view which is being zoomed in Android we can use activity.findViewById(android.R.id.content).
What is the alternative for the above in HarmonyOS?
...ANSWER
Answered 2021-Jul-28 at 01:35in Android we can use activity.findViewById(android.R.id.content). What is the alternative for the above in HarmonyOS?
In HarmonyOS we use findComponentById(ResourceTable.Id_xxx). Just Try this.
QUESTION
I am writing a custom component in HarmonyOS using Java SDK and it is a custom page slider indicator. To do that I have added a PageChangedListener which provides three override methods.
ANSWER
Answered 2021-Jul-28 at 07:12onPageSliding will be called when the user slides a page, and not much to do with PageSliderIndicator.
The values of position and positionOffset in the pageslider are the same. This callback parameter is currently designed as such.
QUESTION
To set the background dimness of a component like dialog box, in Android we can use the setDimAmount function.
ANSWER
Answered 2021-Jul-28 at 02:30dialog.show();
Optional configOpt = dialog.getWindow().getLayoutConfig();
configOpt.ifPresent(config -> {
config.dim = 0.0f;
dialog.getWindow().setLayoutConfig(config);
});
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